Welcome!

The Nabnasset Lake Shores Improvement Association (NIA) Incorporated is a nonprofit organization dedicated to the management and betterment of the properties owned by the NIA on Nabnasset Lake. The NIA was incorporated in 1938 and manages four properties for the enjoyment of our members.

As an NIA member you are asked to review and adhere to the Boating Rules and Beach Rules. To become a member you must reside within the NIA Membership Boundaries.

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NIA 2026 Registration Now Open!

The online 2026 Membership Application is now available. This is a two step process that easily guides you through your application and payment. Please complete both steps to avoid membership processing delays. There is also an option to download, print, and mail your membership application and payment. Please follow the instructions as presented in the…

NIA 2025 Registration Now Open!

The online 2025 Membership Application is now available. This is a two step process that easily guides you through your application and payment. Please complete both steps to avoid membership processing delays. There is also an option to download, print, and mail your membership application and payment. Please follow the instructions as presented in the…